The Sahaba and the Tābi‘ūn were upon five

The Imām Abu Bakr Al Bayhaqi stated in ‘Shu‘ab-ul-īman’ that Abu ‘Abdullah Al-Ḥāfiż informed us who said Abul ‘Abbas Al-Aṣam narrated to us who said Muḥammad bin Isḥāq As-Ṣagāni narrated to us that Mu‘aāwiyah bin ‘Amr from Abu Isḥāq Al-Fazāri from Al-Awzā‘i who said, ‘It used to be said that the Companions of Muḥammad (sallAllāhu 'alayhi wa sallam) and those who followed them in goodness (At-Tābi‘ūn) were upon five matters: Adhering to the Jamā‘ah, following the sunnah, constructing mosques, reciting the Qur’ān and Jihād in the path of Allāh.

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